TOP258PN Power Integrations, TOP258PN Datasheet - Page 19

IC OFFLINE SWIT PROG OVP 8DIP

TOP258PN

Manufacturer Part Number
TOP258PN
Description
IC OFFLINE SWIT PROG OVP 8DIP
Manufacturer
Power Integrations
Series
TOPSwitch®-HXr
Type
Off Line Switcherr
Datasheet

Specifications of TOP258PN

Output Isolation
Isolated
Frequency Range
119 ~ 145kHz
Voltage - Output
700V
Power (watts)
77W
Operating Temperature
-40°C ~ 150°C
Package / Case
8-DIP (0.300", 7.62mm), 7 Leads
Output Voltage
700 V
Input / Supply Voltage (max)
9 V
Input / Supply Voltage (min)
- 0.3 V
Duty Cycle (max)
78 %
Switching Frequency
132 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 150 C
Minimum Operating Temperature
- 40 C
Output Current
6.88 A
Output Power
48 W
For Use With
596-1193 - KIT REF DESIGN TOP HX FOR TOP258
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
596-1189-5
Typical Uses of MULTI-FUNCTION (M) Pin (cont.)
Figure 33. Line Sensing for Undervoltage Only (Overvoltage Disabled).
Figure 31. Line Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Figure 35. Externally Set Current Limit (Not Normally Required – See M Pin
www.powerint.com
Voltage
Voltage
Voltage
Input
Input
Input
DC
Latched Output Overvoltage Protection.
Operation Description).
+
DC
DC
+
+
-
-
-
6.2 V
R
IL
D
S
D
S
D
S
R
CONTROL
CONTROL
CONTROL
LS
M
M
M
4 M
40 k
4 M
C
C
C
V
V
For R
DC
DC
V
R
UV
OV
UV
For R
See Figures 55b for other
resistor values (R
select different I
For Values Shown
For R
LS
MAX
MAX
V
V
I
I
= I
= R
LIMIT
LIMIT
= I
UV
OV
LS
V
UV
Sense Output Voltage
OV
@ 100 VDC = 76%
@ 375 VDC = 41%
UV
IL
IL
= 102.8 VDC
LS
= 4 M
= 451 VDC
= 37%
= 61%
= 19 k
= 12 k
× R
× R
= 103.8 VDC
× I
UV
LS
LS
PI-4731-120307
+ V
PI-4729-120307
+ V
+ V
PI-4733-021308
LIMIT
M
M
M
IL
) to
(I
(I
(I
M
M
values.
M
= I
= I
= I
UV
UV
OV
)
)
)
Figure 34. Line Sensing for Overvoltage Only (Undervoltage Disabled). Maximum
Figure 36. Current Limit Reduction with Line Voltage (Not Normally Required –
Figure 32. Line Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Voltage
Voltage
Voltage
Input
Input
Input
Duty Cycle Reduced at Low Line and Further Reduction with
Increasing Line Voltage.
See M Pin Operation Description).
DC
Hysteretic Output Overvoltage Protection.
DC
DC
+
+
+
-
-
-
R
R
LS
IL
6 k
2.5 M
R
LS
D
D
S
S
55 k
4 M
D
S
R
CONTROL
CONTROL
LS
CONTROL
M
VR
M
4 M
TOP252-262
M
OVP
For Values Shown
C
C
V
V
V
V
For R
DC
DC
OV
OV
UV
OV
I
I
LIMIT
LIMIT
C
R
1N4148
V
V
= I
= 457.2 VDC
= I
= I
MAX
MAX
UV
OV
OVP
LS
OV
UV
OV
Sense Output Voltage
=
=
= 102.8 VDC
= 451 VDC
= 4 M
@ 100 VDC = 76%
@ 375 VDC = 41%
100% @ 100 VDC
53% @ 300 VDC
× R
× R
× R
R
LS
LS
LS
OVP
+ V
+ V
PI-4732-120307
PI-4734-092107
+ V
PI-4730-120307
>3k
M
M
M
(I
(I
(I
Rev. F 01/09
M
M
M
= I
= I
= I
19
UV
OV
OV
)
)
)

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